One problem related to turn signal flasher unit has been reported for the 2000 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Mercury Mountaineer based on all problems reported for the 2000 Mountaineer.
The turn signal curves downward and conacts the driver's left knee turning the right turn signal off due to poor design of the levers. Yh.
| Turn Signal Flasher Unit problems | |
| Brake Light Switch problems | |
| Exterior Lighting problems |